Keep waking up at 3 a.m.? Tips to fall back asleep faster — and how to know if you’ve got SMI admin 3 hours ago USA Update Comments Off on Keep waking up at 3 a.m.? Tips to fall back asleep faster — and how to know if you’ve got SMI 0 Views Nearly one in five US adults struggle to stay asleep throughout the night. Share Facebook Twitter Stumbleupon LinkedIn Pinterest